/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package streaming.common

import java.util.{Map => JMap}


/**
 * 5/14/16 WilliamZhu(allwefantasy@gmail.com)
 */
object ParamsHelper {
  implicit def mapToParams(_params: JMap[Any, Any]):Params = {
    new Params(_params)
  }
}

class Params(_params: JMap[Any, Any]) {
  def paramAsInt(key: String, defaultValue: Int = 0) = {
    if(_params.containsKey(key)){
      _params.get(key).toString.toInt
    }else
    defaultValue
  }

  def paramAsDouble(key: String, defaultValue: Double = 0) = {
    if(_params.containsKey(key)){
      _params.get(key).toString.toDouble
    }else
      defaultValue

  }

  def param(key: String, defaultValue: String = null) = {
    if(_params.containsKey(key)){
      _params.get(key).toString
    }else
      defaultValue

  }

  def paramAsBoolean(key: String, defaultValue: Boolean = false) = {
    if(_params.containsKey(key)){
      _params.get(key).toString.toBoolean
    }else
      defaultValue
  }

}

